we also want to let you know, we will talk with michelle obama, the first lady, tomorrow evening here on "nbc nightly news." >>> in other news we have a new hurricane as of today, number six of the season already. leslie has been upgraded to hurricane status. sustained winds of 75 miles an hour. the storm is still pretty far out there to sea but expected to pass fairly close to bermuda by saturday or sunday of this weekend. we got new numbers tonight for what's been a particularly bad year for west nile virus, the mosqui mosquito born illness that can be fatal. just under 2,000 reported, 87 have been fatal. it's a banner year for mosquitoes. the experts say there will probably be new cases right through the month of october. >>> still ahead as we continue from charlotte, the discovery they are saying could revolutionize how we treat, how we even prevent diseases like alzheimer's and cancer. >>> and later as the obama girls get ready to come here to charlotte for their dad's big speech, the growing up they have done in just four year's time. b. i took my son fishing every year. we had